import socketserver

import struct

import json

import os

class FtpServer(socketserver.BaseRequestHandler):

    coding='utf-8'

    server_dir='file_upload'

    max_packet_size=1024

    BASE_DIR=os.path.dirname(os.path.abspath(__file__))

    def handle(self):

        print(self.request)

        while True:

            data=self.request.recv(4)

            data_len=struct.unpack('i',data)[0]

            head_json=self.request.recv(data_len).decode(self.coding)

            head_dic=json.loads(head_json)

            # print(head_dic)

            cmd=head_dic['cmd']

            if hasattr(self,cmd):

                func=getattr(self,cmd)

                func(head_dic)

    def put(self,args):

        file_path = os.path.normpath(os.path.join(

            self.BASE_DIR,

            self.server_dir,

            args['filename']

        ))

        filesize = args['filesize']

        recv_size = 0

        print('----->', file_path)

        with open(file_path, 'wb') as f:

            while recv_size < filesize:

                recv_data = self.request.recv(self.max_packet_size)

                f.write(recv_data)

                recv_size += len(recv_data)

                print('recvsize:%s filesize:%s' % (recv_size, filesize))

ftpserver=socketserver.ThreadingTCPServer(('127.0.0.1',8080),FtpServer)

ftpserver.serve_forever()

FtpServer

import socket

import struct

import json

import os

class MYTCPClient:

    address_family = socket.AF_INET

    socket_type = socket.SOCK_STREAM

    allow_reuse_address = False

    max_packet_size = 8192

    coding='utf-8'

    request_queue_size = 5

    def __init__(self, server_address, connect=True):

        self.server_address=server_address

        self.socket = socket.socket(self.address_family,

                                    self.socket_type)

        if connect:

            try:

                self.client_connect()

            except:

                self.client_close()

                raise

    def client_connect(self):

        self.socket.connect(self.server_address)

    def client_close(self):

        self.socket.close()

    def run(self):

        while True:

            inp=input(">>: ").strip()

            if not inp:continue

            l=inp.split()

            cmd=l[0]

            if hasattr(self,cmd):

                func=getattr(self,cmd)

                func(l)

    def put(self,args):

        cmd=args[0]

        filename=args[1]

        if not os.path.isfile(filename):

            print('file:%s is not exists' %filename)

            return

        else:

            filesize=os.path.getsize(filename)

        head_dic={'cmd':cmd,'filename':os.path.basename(filename),'filesize':filesize}

        print(head_dic)

        head_json=json.dumps(head_dic)

        head_json_bytes=bytes(head_json,encoding=self.coding)

        head_struct=struct.pack('i',len(head_json_bytes))

        self.socket.send(head_struct)

        self.socket.send(head_json_bytes)

        send_size=0

        with open(filename,'rb') as f:

            for line in f:

                self.socket.send(line)

                send_size+=len(line)

                print(send_size)

            else:

                print('upload successful')

client=MYTCPClient(('127.0.0.1',8080))

client.run()

FtpClient